<template>
  <div class="historicalArcBox">
    <div class="historicalArcTop">
      <el-card>
        <el-upload
          class="upload-demo"
          action="http://localhost:8888/api/attendances/import"
          :headers="getToken()"
          :on-preview="handlePreview"
          :on-remove="handleRemove"
          :before-remove="beforeRemove"
          :on-success="coverSuccess"
          multiple
          :limit="3"
          :on-exceed="handleExceed"
          :file-list="fileList"
        >
          <el-button size="small" type="primary">点击上传</el-button>
        </el-upload>
      </el-card>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      fileList: []
    }
  },
  methods: {
    handleRemove(file, fileList) {
      console.log(file, fileList)
    },
    handlePreview(file) {
      console.log(file)
    },
    handleExceed(files, fileList) {
      this.$message.warning(`当前限制选择 3 个文件，本次选择了 ${files.length} 个文件，共选择了 ${files.length + fileList.length} 个文件`)
    },
    beforeRemove(file, fileList) {
      return this.$confirm(`确定移除 ${file.name}？`)
    },
    getToken() {
      console.log(this.$store.getters.token)
      const token = this.$store.getters.token
      return { Authorization: 'Bearer ' + token }
    },
    coverSuccess() {
      this.$router.push('/attendances')
      this.$message.success('上传成功')
    }
  }
}
</script>

<style>

</style>
